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【简答题】
1 use proper adjectives to describe a person. (5*6=30) sociable sensitive outgoing kind sensible There are five people in my class including me. I'm quite easygoing . I like being with people and having a good chat. The person I know best is Rosa. She's _ 1 ___- she's always relaxed and never gets angry with anyone. Then there's Lydia. She's a real extrovert, __ 2 ___ and friendly, and she entertains us all with her stories. Next, there's Sara. She's very__ 3 _ she always helps you when you need it. The two men are called Gerard and Tony. Gerard is very __ 4 __ you have to be careful what you say to him because he's very emotional and takes everything too seriously. Tony is the __ 5 __ one—he is very practical and organised. He always does his homework and asks questions if he doesn ’ t understand something.
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【简答题】你在学习化学知识的过程中一定发现有许多的“相等”关系，例如：溶液稀释前后溶质的质量相等。请你再举出三例。 （1） 。 （2） 。（3） 。
【单选题】下列有关说法不正确的是
A.
用洗衣粉洗去手上的油污属于乳化
B.
溶液加水稀释前后溶质的质量一定不变
C.
硝酸铵溶于水时降温，因为扩散吸收的热量小于水合放出的热量
D.
碘难溶于水而高锰酸钾易溶于水，说明溶质的种类影响物质的溶解性
【单选题】Our competitors have a new advertising campaign. ______, we should think about changing ours.
A.
Out of line
B.
Along the same lines
【单选题】下列有关溶液的叙述正确的是（ ）
A.
溶液稀释前后，溶质的质量不变
B.
从100mL溶液中取出10mL后，溶液浓度变小
C.
均一、稳定的液体都是溶液
D.
饱和溶液一定是浓溶液
【单选题】下列有关溶液性质的说法中错误的是 [ ]
A.
溶液一定是无色、透明的混合物
B.
溶液加水稀释前后溶质的质量不变
C.
硝酸铵溶解于水，溶液温度降低
D.
升高温度能使饱和石灰水变浑浊
【单选题】Our tutor makes __________ think what role we should play in this program.
A.
we
B.
our
C.
ours
D.
us
【单选题】We should learn from Lei Feng and think less of _____ than others.
A.
us
B.
ourselves
C.
our
D.
ours
【简答题】【 10.2 】若有定义语句 char c[10]= "hello" ,则字符数组 c 的长度为 ,字符串 "hello" 的长度是 。
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